X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fdsicinav.c;h=05d9e4cc1411ef24228cbec09bbd0ebdd15ce3a0;hb=6c1fb3e7631178c2a45c6c41b9b8d9ee3a5298fc;hp=27f42041ba0c844a29006518fcd71f96e7983d96;hpb=ecaf5143282cc7a8335f5e19c750de66b1ee8389;p=ffmpeg

diff --git a/libavcodec/dsicinav.c b/libavcodec/dsicinav.c
index 27f42041ba0..05d9e4cc141 100644
--- a/libavcodec/dsicinav.c
+++ b/libavcodec/dsicinav.c
@@ -217,7 +217,11 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
     bitmap_frame_size = buf_size - 4;
 
     /* handle palette */
+    if (bitmap_frame_size < palette_colors_count * (3 + (palette_type != 0)))
+        return AVERROR_INVALIDDATA;
     if (palette_type == 0) {
+        if (palette_colors_count > 256)
+            return AVERROR_INVALIDDATA;
         for (i = 0; i < palette_colors_count; ++i) {
             cin->palette[i] = bytestream_get_le24(&buf);
             bitmap_frame_size -= 3;